For the purposes of this example Switch A will be the VTP Server and Switch B will be the VTP client.

1. Setup VTP server role for Switch A
2. Create VLANs on Switch A
3. Setup VTP client role for Switch B
4. Setup 802.1q Trunking between Switch A and Switch B
5. Assign VLANs to specific interfaces

The configuration goes like this:
1. Setup VTP server on Switch A

SwitchA#vlan database (enter vlan configuration mode)
SwitchA(vlan)#vtp server (sets the VTP mode)
SwitchA(vlan)#vtp password MYPASSWORD (optional, assign a password to the VTP domain)
SwitchA(vlan)#vtp domian CORP (assigns a name to the VTP domain)
SwitchA(vlan)#exit (exit vlan configuration mode)

2. Create VLANs on Switch A (the VTP server)

SwitchA#configure teminal (enter into configuration mode)
SwitchA(config)#vlan 2 (defines the vlan, in this case vlan 2)
SwitchA(config)#vlan 2 name accounting (assigns a name to the vlan for description)
SwitchA(config)#exit (exit configuration mode)

3. Setup VTP client role on Switch B

SwitchB#vlan database (enter vlan configuration mode)
SwitchB(vlan)#vtp client (sets the VTP mode)
SwitchB(vlan)#vtp domain CORP (defines the VTP domain name)
SwitchB(vlan)#vtp password MYPASSWORD (the password for the VTP domain)
SwitchB(vlan)#exit (exits VTP configuration mode)

4. Setup Trunking between Switch A and Switch B

SwitchA(config)#configure terminal (enter the configuration mode)
SwitchA(config)#interface fastethernet 0/1 (select ethernet port 1)
SwitchA(config-if)#switchport mode trunk (set port 1 as a trunk port)
SwitchA(config-if)#switchport trunk encapsulation dot1q (set the trunk type)
SwitchA(config-if)#end (exit configuration mode)

SwitchB(config)#interface fastethernet 0/1 (select ethernet port 1)
SwitchB(config-if)#switchport mode trunk  (set port 1 as a trunk port)
SwitchA(config-if)#switchport trunk encapsulation dot1q (set the trunk type)
SwitchB(config-if)#end (exit configuration mode)

5. Assign VLANs to particular interfaces

SwitchA(config)#configure terminal (enter configuration mode)
SwitchA(config)#interface fastethernet 0/2 (select the interface)
SwitchA(config-if)# switchport access vlan2 (assign the VLAN to the interface)
SwitchA(config-if)#exit (exit interface configuration)

Of course there are a few other options, but the above example covers all the basics you need to know to setup VTP on your switches.

line aux 0
    modem InOut
    transport input all
    stopbits 1
    flowcontrol hardware

Now in order to use this feature, log into your router and do the following:

• from the command prompt enter: SHOW LINE
• Find the line number for AUX (in this example it is Line 5)
• Telnet to the IP address of the router you are logged into, but when you telnet you will need to indicate a specific port.  That port is 2000 + the line number.  So in this example your command would look like this: ‘telnet 172.17.10.1 2005′
• This will get you access to the remote device
• When you are finished with the session on the remote device break out with CTRL+ALT+6, followed by x one second later.  If you by chance use SecureCRT for your Telnet sessions you can setup a key map that sends the following ASCII standard for that command ‘\036\px’.  You can read more about this on VanDyke’s SecureCRT Forum.
• Once you are back in the original device you can return to the remote device by simply pressing the ENTER key.
• If you are finished with your remote session, you can issue a CLEAR command to close that connection.  In this example the command would be ‘CLEAR LINE 5′

Cisco Router Guide
Cisco Catalyst Switch Guide

• create a T1 crossover to connect the routers
• set the clock settings on each routers’ serial interface to simulate the T1

In another post I will put the details of making a T1 crossover cable, here is a simple example of the configuration you need to apply to each routers’ T1 serial interface.

**apply this to router #1**
 
ip address 192.168.1.1 255.255.255.248
 encapsulation ppp
 fair-queue
 service-module t1 clock source internal
 service-module t1 timeslots 1-24 speed 64
 service-module t1 framing esf
 service-module t1 linecode b8zs
 no shut
**apply this to router #2**
 
ip address 192.168.1.2 255.255.255.248
 encapsulation ppp
 fair-queue
 service-module t1 clock source internal
 service-module t1 timeslots 1-24 speed 64
 service-module t1 framing esf
 service-module t1 linecode b8zs
 no shut

sh ip arp | inc <ip address>
This will return the mac address
sh mac-address-table | inc <mac address>
This will return the switch port
If the IP address is on another switch, the port that is returned in the output will be for the trunked port that goes to the next “hop”.  Go to the next switch and repeat.
sh run int <switch port>
This will return the config for that interface

Here is an example:

switch01#sh ip arp | inc 172.16.11.200
Internet  172.16.11.200           0   0080.a38a.10dc  ARPA   Vlan11
switch01#sh mac-address-table | inc 0080.a38a.10dc
  11    0080.a38a.10dc   dynamic ip                     GigabitEthernet3/3 
switch01#sh run int gi3/3
Building configuration…
Current configuration : 152 bytes
!
interface GigabitEthernet3/3
 description IBM APPLICATION SERVER
 switchport access vlan 11
 switchport mode access
 qos trust dscp
 spanning-tree portfast
end
switch01#